Product Manual - Zemic

Recommendations

Info

8.0 Weighing System Pre-calibration ...158.1 Sourcing mV (and Measure Excitation Voltage) ...15(and Measure Milliamps)8.2 Sourcing mV & Mass or Mass & mV...16(and Measure Excitation Voltage)(and Measure Milliamps)9.0 Source Milliamps ...189.1 Source mA...189.2 Source mA & Mass ...199.3 Source Mass & mA ...2010.0 Loadcell Display ...2211.0 Datalog ...2412.0 Datalogging Interface ...2613.0 Settings14.0 Maintenance14.1 Opening your Calibrator14.2 Changing the Batteries14.3 Resetting the Unit14.4 Changing the Fuses14.5 Battery Care14.6 Cleaning...26...29...29...29...30...30...30...3015.0 Technical Specifications ...3115.1 General...3115.2 Measuring...3115.3 Sourcing...3116.0 Accessories...3217.0 Other CALOG Products ...32Zemic Europe info@zemic.nl www.zemic.nl2
1.0 IntroductionCALOGThe - LC II is a hand-held precision calibrator specifically designed forloadcell testing including insulation breakdown and weighing systemmeasurement, electrical pre-calibration or simulation. This unit can also nowdisplay a loadcell value.Simply connect a loadcell (or strain gauges in a Wheatstone bridge) to the springterminals and press ‘test’... The back-lit graphic display will show four or six wire,zero balance, input and output resistance and bridge balance.Connect leads to the housing and screen and press ‘insulation test’ for a50 volt dc test to display bridge to shield, bridge to housing and shield to housinginsulation resistance in megohms.Now that we have the power of L-ion batteries it is possible to use the hand-heldcalibrator as a loadcell indicator for a reasonable period of time. For longerapplications, such as with a cattle scale, auxiliary power can be supplied via anexternal 12 volt battery, charger or car cigarette lighter socket. In order to displaymass, force, strain or torque from loadcells the unit allows you to set thesensitivity in mV/V, range, decimal points and units. Zero trim can offsetdeadweight and span trim is available to increase the reading accuracy with thehelp of calibrated weights. Selections of software options such as tare, peak holdand auto zero maintenance are included. The indicator can be used for one 350Ohm or three 1000 Ohm loadcells with a fixed 5 Volt DC excitation.For weighing system measurement connect the test leads to the loadcell output toshow millivolts. Alternatively include excitation measure or value and set up todisplay mass in a variety of selectable units. The loadcell transmitter outputmilliamps can also be selected for simultaneous display.Weighing systems electrical pre-calibration can be carried out by injectingmillivolts DC into the loadcell transmitter or indicator. By including excitationmeasurements or value and setting the sensitivity (mV/V) and units the maindisplay can be mass. Output milliamps can also be selected for display.Finally, the calibrator can simulate a loadcell transmitter by injecting milliamps intoa loadcell display or scada system. The display can be in mA or set to displaymass and output mA.CALOGNote : The - LC II is not suitable for AC or square wave pulse amplifiers.Excitation volts and millivolts are measured and sourced in DC only.Zemic Europe info@zemic.nl www.zemic.nl3
Page 1 and 2: Zemic Europe info@zemic.nl www.zemi
Page 3: Contents1.0 Introduction...32.0 Get
Page 7 and 8: 2.3 SafetyYour calibrator is not su
Page 9 and 10: 4.0 Wiring SchematicsThis section s
Page 11 and 12: 4.4 Weighing System Pre-calibration
Page 13 and 14: 5.0 Test LoadcellSelect TEST LOADCE
Page 15 and 16: 7.2 Measure mVdc & Mass (and Measur
Page 17 and 18: 8.0 Weighing System Pre-calibration
Page 19 and 20: Span valueSet high value.(If 3 x 1
Page 21 and 22: Loop Power ( left or right keys to
Page 23 and 24: Dec Point ( left or right keys to c
Page 25 and 26: Display SpanSet span valueUnit ( le
Page 27 and 28: Item: Use Left and Right keys to se
Page 29 and 30: Language ( left or right keys to ch
Page 31 and 32: 14.0 Maintenance14.1 Opening your C
Page 33 and 34: 15.0 Technical Specifications15.1 G
Page 35: Zemic Europe B.V. T: +31 76 50 39 4

Product Manual - Zemic

Create successful ePaper yourself

Delete template?

Save as template?